Security 11071 Published by Philipp Esselbach 0

Today's Linux security roundups from eight distros push a wave of updates where browser engines take the biggest hit, led by Debian stuffing 232 CVEs into a single webkit2gtk advisory and SUSE claiming 302 in a kernel update that turns out to be just build headers. Chromium, Thunderbird, and Firefox show up across nearly every bulletin, meaning a hostile webpage or email stays executable until you apply the fix. The real Criticals worth a reboot window include SUSE's Tomcat/libtcnative smuggling patch, Red Hat's Satellite 6.19.5 entry, and Oracle's eight-hole FreeIPA roll on OL10. Most of the hundreds-of-CVE counts are just upstream releases backported and inflated by design, so patch the WebKit and Chromium entries first, then clear the Important items during normal maintenance.

Security 11071 Published by Philipp Esselbach 0

A broad wave of Linux security patches rolled out today across Debian, Fedora, Ubuntu, Red Hat, Rocky, Slackware, and SUSE, delivering a heavy multi-distro load rather than one standout critical. Mozilla's Thunderbird and Firefox-ESR dominate the CVE counts, with Debian shipping 62 flaws in Firefox-ESR and 44 in Thunderbird across most of the affected releases. The two fixes that could surprise admins are Debian's Python 3.7 parser, which now treats only ampersands as query separators, and Fedora's ruff and ty, which gained an arbitrary code execution risk when checking untrusted code. Big numbers like SUSE's 108 Chromium CVEs and Ubuntu's 101-CVE Oracle kernel are mostly about staying current, so prioritize the OpenSSL key-recovery and PHP TLS updates and fold the rest into normal maintenance.

Security 11071 Published by Philipp Esselbach 0

Today's Linux security roundup spans eight distros, from a Critical FreeIPA hole to Red Hat's 27-errata batch and hundreds of CVEs stuffed into the Debian and Ubuntu kernels. Debian's kernel update (6.12.111-1) runs from CVE-2024-52560 to CVE-2026-100079, while Ubuntu's Oracle 7.0 kernel (USN-8728-3) adds an ARM TLB race and an AMD Zen 2 flaw on top of 100+ more. The Criticals to patch first are the freeipa updates on AlmaLinux and Rocky Linux 10, the PostgreSQL 12 bump on Rocky Linux 8, and the RHEL for NVIDIA kernel (RHSA-2026:73187). Beyond kernels, watch Slackware's Firefox ESR build from roughly 43 CVEs, SUSE's near-critical 9.8-rated perl-DBI flaw, and Ubuntu's OpenSSL and Erlang fixes, though many older Ubuntu releases stay gated behind Ubuntu Pro.

Security 11071 Published by Philipp Esselbach 0

OpenSSL 4.0.3 shipped today, closing 14 vulnerabilities spanning the QUIC transport, DTLS, X.509 certificate handling, the SM2 cryptographic suite and core key-management code. The project rated its worst flaw High, yet two unnumbered bugs deserve attention: an AES-SIV authentication misreporting error that could mask tampered data, and a base64 BIO regression that might silently truncate output. Reading the fixes together reveals the themes of the release, with QUIC accounting for at least five of the CVEs and a cluster of timing side channels targeting SM2 on ARM64 and RISC-V. Timing matters because OpenSSL 4.1 is nearly here while OpenSSL 3.0 already reached end of life on September 16.

Security 11071 Published by Philipp Esselbach 0

SUSE led today's Linux patch wave with a 133-CVE kernel update that still needs a reboot, though the real standouts were the bugs you'd expect to be long fixed. Debian shipped rsync with 33 CVEs and dovecot with 25, while Debian's OpenStack and Slackware's 26-year-old groff command-injection holes made the week feel oddly retro. Ubuntu's Exim brought proxy-protocol code execution, but the most awkward moment went to its curl cleanup notice targeting the still-supported 14.04 LTS. If any of this software runs on boxes you manage, the advisory tables are worth a scroll and the reboot is unavoidable.

Security 11071 Published by Philipp Esselbach 0

Debian, Fedora, Red Hat, Rocky Linux, SUSE, and Ubuntu all pushed fresh security updates this week. Red Hat flagged three Critical advisories led by the unbound DNS resolver, while Ubuntu's PyJWT notice adds a signature-bypass that lets attackers forge valid tokens. Debian's libheif update carries seven CVEs plus eleven non-numbered advisories, and Fedora's Chromium build quietly closes more than 100 CVEs in one release. The takeaway is simple: patch the DNS resolver and token forgery first, then clear the rest when convenient.

Security 11071 Published by Philipp Esselbach 0

Six Linux distributions shipped security updates today, with the biggest priorities being a DNS resolver called unbound and major browser patches. Unbound earned Critical ratings across three distros due to remote code execution and DNSSEC flaws that can expose entire networks. The browser bomb came from SUSE (63 vulnerabilities in Firefox ESR), Thunderbird (44 CVEs on AlmaLinux), and Debian's Chromium (108 CVEs), all driven by use-after-free and privilege-escalation bugs. Patch your resolver and browser first, then work through the smaller, more surgical advisories in the coming maintenance window.

Security 11071 Published by Philipp Esselbach 0

A wave of distro security advisories landedtoday, and the same cluster of flaws is showing up across AlmaLinux, RHEL, Oracle Linux, Rocky Linux, and SUSE. The most urgent target is unbound, which received Critical ratings for DNSSEC remote code execution on nearly every major distribution. Fedora's webkitgtk 2.54.0 jump quietly fixed hundreds of ANGLE and Skia CVEs on top of its listed 26 WebKit bugs. If you run a DNSSEC resolver or a Chromium-based browser on any of these distros, point your patch commands at those two first.

Security 11071 Published by Philipp Esselbach 0

Today's daily Linux security roundup landed across eight distros, led by Fedora's massive Chromium update carrying 58 CVEs. Critical fixes went to the unbound DNS resolver in both Red Hat and Rocky Linux, while Apache Unbound, IPA, and the Ansible Automation Platform also drew top-severity flags. Firefox, PostgreSQL, and the container toolchain (podman, runc, containernetworking-plugins) show up across nearly every distro, though patch effort varies by release. And in a rare twist, USN-8287-2 is Ubuntu apologizing for regressing its own earlier XDG Desktop Portal fix.

Security 11071 Published by Philipp Esselbach 0

Wireshark shipped two coordinated security updates with version 4.6.9 for its current stable line and 4.4.19 for the older "old stable" branch. Together the two releases close at least 35 vulnerabilities across the protocol dissectors that power the tool, with 19 fixes in 4.6.9 and 16 in 4.4.19. Most bugs are local crashes that require opening a crafted capture file, but several can be triggered remotely and a handful carry RCE potential, including defects flagged by Trend Micro's Zero Day Initiative. The updates add no new features, so the guidance is to patch both installations while verifying the signed tarballs before install.

Security 11071 Published by Philipp Esselbach 0

Today's Linux patch cycle is dominated by browser-rendering packages, with Chromium pulling 58 CVEs into a single Fedora build and Firefox 73 on SUSE. The same openssh, curl, and sudo advisories are turning up across nearly every distro, so managing multiple boxes means running the same patch twice. Beyond the browser numbers, RHEL's 38 errata, Ubuntu's reboot-required kernel updates, and a rare AlmaLinux libxml2 backport mishap round out a busy day. Browser packages and openssh go first if you're patching now, with kernels needing a separate reboot scheduled afterward.

Security 11071 Published by Philipp Esselbach 0

Red Hat shipped 42 security errata across RHEL in a single round, nearly all graded Important, while Ubuntu's Raspberry Pi kernel fix alone tracked more than 200 vulnerabilities. The batch spans the major distros, with Oracle Linux kernels resolving up to 31 CVEs each, OpenSSH leading AlmaLinux's updates, and Fedora flagging a cross-site scripting hole in perl-HTML-FormHandler. A few issues stand out for urgency, especially strongSwan's authentication bypass in Ubuntu and a leaked file descriptor in Slackware's nsenter tool. If any of these packages run on hardware you manage, apply the updates, reboot where required, and check Extended Update Support channels before assuming you're already covered.

Security 11071 Published by Philipp Esselbach 0

Debian and Freexian released a wave of advisories topped by unbound's 30 CVEs and a 6.12 kernel patch for bookworm, while Chromium's LTS build ballooned to nearly 300 fixes. Fedora 43 and 44 shipped updates headlined by doctl's nine CVEs plus GIMP, FreeIPA, and opkssh fixes. Red Hat pushed a sprawling 32-advisory RHSA-2026 batch covering kernel, openssh, and rust, though several packages sit on niche channels. SUSE closed the roundup with a 153-vulnerability kernel-devel package and important libsoup fixes aimed at older SUSE Linux Enterprise systems.

Security 11071 Published by Philipp Esselbach 0

Linux distros including Fedora, Debian, Oracle, and Ubuntu released a fresh wave of security advisories, led by a Chromium update with 230 CVEs rather than just the expected kernel patches. The most elegant flaw sits in Debian's ruby-jwt, where an empty key still validates as a legitimate HMAC secret, letting attackers accept forged tokens across HS256, HS384, and HS512. Other standouts include Dovecot 2.4.5 with 17 CVEs covering RCE and authentication bypass, Oracle's ten-advisory batch that clearly had been accumulating, and Ubuntu's rclone fix that closes a remote command-execution hole.

Security 11071 Published by Philipp Esselbach 0

Exim maintainers released 4.100.1 on 2026-09-18, a security patch fixing four vulnerabilities that span heap corruption, a use-after-free bug, a stack-data leak, and SMTP smuggling. Two of the flaws were reported by watchTowr's McCaulay Hudson, while the other two earned Exim's signature joke credit line blaming AI training data. Because the Proxy Protocol and SMTP-smuggling issues affect versions from 4.83 (2014) all the way through 4.100, a huge installed base of production mail servers is at risk. Three of the four flaws have no workaround, so the project's advice is blunt: upgrade to 4.100.1.

Security 11071 Published by Philipp Esselbach 0

Today's Linux security updates hit eight distros with browsers taking the biggest hit and kernels piling on the most raw CVE counts. SUSE listed 230 Chromium CVEs while Debian went further at 266, and Fedora's own Chromium advisory of 230 CVEs smells synthetic until upstream vouches for them. Kernel updates are the real volume, with AlmaLinux 9 packing roughly 40 CVEs and Oracle shipping two fresh 6.12 trees plus microcode and .NET patches repeated across 8.0, 9.0, and 10.0. Standout quirk: Ubuntu's USN-8779-2 quietly reverted a Bubblewrap symlink fix that had broken Flatpak launches, so scan the individual advisories and patch whatever actually runs on your machines.

Security 11071 Published by Philipp Esselbach 0

Today's Linux security roundups show the same flaws spreading across nearly every major distribution, from nginx and Mozilla to .NET. RHEL leads the chaos with 48 advisories, 40 rated Important, while its gstreamer, corosync, and kernel updates demand priority and a reboot. Fedora's smaller batch bites sharpest, with a patched open62541 library carrying 17 CVEs including arbitrary code execution. Ubuntu, Rocky, SUSE, Slackware, and AlmaLinux round out the day with everything from TLS holes to a 21-vulnerability registry patch, so update in order of severity rather than convenience.

Security 11071 Published by Philipp Esselbach 0

ISC has released both BIND 9.20.29 (stable) and 9.21.26 (development) today, patching 14 security vulnerabilities spanning cache poisoning and denial-of-service. Eight of the flaws rate High severity (CVSS 7.5), though ISC reported no known active exploitation. The updates affect the 9.18, 9.20, and 9.21 lines, with 9.20.29 closing all 14 while 9.21.26 addresses 13. ISC recommends upgrading to the patched release nearest your current version as soon as possible.

Security 11071 Published by Philipp Esselbach 0

The major Linux distributions coordinated a massive security sweep, targeting critical flaws across OpenSSL, nginx, rsync, and kernel networking stacks. Ubuntu’s NVIDIA kernel update alone quietly stuffed roughly three hundred CVEs into a single notice, while Qubes OS closed a dangerous format-string hole in its primary qube management helper. Most advisories land at "Important" severity, meaning systems administrators should prioritize the OpenSSL and kernel bumps on AlmaLinux, Oracle, Rocky, and RHEL before touching anything else. Keep in mind that several patches overlap with earlier HollowByte advisories and new Oracle kernel signing reworks may require matching package versions to keep secure boot functional.

Security 11071 Published by Philipp Esselbach 0

Ubuntu re-patches nginx to resolve a regression and close three CVEs, while simultaneously fixing local privilege escalation holes in libinput and dracut that affect the 24.04 and 26.04 releases. SUSE leads the enterprise charge with a Firefox update that quietly closes 139 vulnerabilities across SLE and Micro variants, alongside important patches for clamav and python39. Fedora and RHEL round out the wave with twelve and seventeen advisories respectively, targeting predictable session IDs in perl-Dancer2, memory leaks in perl-Protocol-HTTP2, and widespread nginx fixes across EL8 and EL9. Debian keeps it surgical with a single privilege escalation fix for the L2TP VPN plugin in trixie, though you will need to verify your Ubuntu Pro subscriptions to cover the remaining notices.